On POI org.apache.poi:poi-ooxml:4.1.2. When using RangeCopier to copy a range with null rows, RangeCopier throw up NPE as such: Range example: row# +-------------- 0 |data data data -----+-------------- 1 | null -----+-------------- 2 |data data data 2020-04-24 17:10:33.224 [,myservice,,] ERROR https-jsse-nio-9420-exec-8 [dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause java.lang.NullPointerException: null at org.apache.poi.ss.usermodel.RangeCopier.copyRange(RangeCopier.java:89) at org.apache.poi.ss.usermodel.RangeCopier.copyRange(RangeCopier.java:68) Here is my initial idea of patch, any suggestions are welcomed. Thanks! https://github.com/apache/poi/pull/177
Resolved via r1877010